Winston is most likely using the map for which

Recreational use for camping, hiking fishing, etc

Recreation.

Explanation:

Topography map explain the topographic features of a particular location by using the contour lines. Topography shows the 2D representation of the natural resources and man made feature on the earth's surface.

Winston can do recreation by trecking, camping and hiking. During recreation, topography map is required to know the hydrographic features, terrain features and recreation sites of a particular area.

Thus, the correct answer is option (4).  

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